The data collection of the present study was collected by having a questionnaire as a research tool. The questionnaire focused on Helmet wearing behavior of student in faculty of Public Health 4th at Khonkaen university. IT has three sections: section 1 describes the General information part 2: knowledge about the helmet and part 3 behaviors to wear a helmet.Student in faculty of Public Health 4th at Khonkaen university for 50 people that the majority of answered the questionnaire were females 40 people (80%) and male 10people (20%). The majority program education is divided into Occupational Health and Safety 25 people (50%), second program education is Environmental Health Science and Occupational Health and Safety 15 people (30%) and last program education is Environmental Health Science 10 people (20%). The questionnaire is divided into three sections: section 1 describes the General information part 2: knowledge about the helmet and part 3 behaviors to wear a helmet.